CN109375214B - Magnetic adsorption detection device and detection vehicle for building structure - Google Patents
Magnetic adsorption detection device and detection vehicle for building structure Download PDFInfo
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- CN109375214B CN109375214B CN201811116431.9A CN201811116431A CN109375214B CN 109375214 B CN109375214 B CN 109375214B CN 201811116431 A CN201811116431 A CN 201811116431A CN 109375214 B CN109375214 B CN 109375214B
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- 238000001514 detection method Methods 0.000 title claims abstract description 64
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 31
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 8
- 238000013016 damping Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000004904 shortening Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/885—Radar or analogous systems specially adapted for specific applications for ground probing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/1235—Collapsible supports; Means for erecting a rigid antenna
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention relates to the technical field of building structure detection, in particular to a magnetic adsorption detection device and a detection vehicle of a building structure, wherein the magnetic adsorption detection device comprises a movable bracket, a telescopic bracket and an operation platform which are sequentially arranged from top to bottom; the movable bracket comprises an antenna fixing plate for placing a geological radar antenna, and four compression wheels are arranged at the top ends of four corners on the antenna fixing plate; the telescopic bracket comprises a first buffer device, a connecting plate, a telescopic main body and a rotating table which are sequentially arranged from top to bottom; the rotating table is rotatably connected to the operating platform. The invention has the beneficial effects that: according to the magnetic adsorption detection device of the building structure, due to the action of the magnetic force component and the first buffer device, when the distance (relative height) between the supporting surface of the operation platform and the detection surface of the top wall of the building is changed, the first buffer device can automatically stretch and shorten within a certain length range to adapt, and the movable bracket is ensured to be adsorbed at the top of a tunnel all the time.
Description
Technical Field
The invention relates to the technical field of building structure detection, in particular to a magnetic adsorption detection device and a detection vehicle for a building structure.
Background
The development planning construction of highways is increasingly emphasized in China, the highway networks in all places are more dense, and the proportion of highway tunnels in the highway construction is more and more large. In the construction process of a highway tunnel, a quality inspection department, a third party detection unit or a construction unit detects the lining thickness and the quality of the highway tunnel. In this case, a geological radar nondestructive detection method is commonly used.
The geological radar detection equipment mainly comprises three parts of a radar antenna, a cable and a host, wherein the cable is used for connecting the antenna and the host, and the length of the cable is generally long enough. Currently, the field detection still adopts a comparatively original method to carry out the detection work, namely: when the detection is needed, a field worker welds an iron frame with proper height on a bucket of the loader, 1 to 2 workers stand on the iron frame, lift the radar antennas with two hands, and measure along the measuring lines such as a vault, a waistline and the like along with the advancing of the loader.
Such detection methods have a number of disadvantages: the antenna is particularly laborious to manually lift, and is extremely easy to fatigue; the relative height of vault or arch waist and the road surface in the tunnel is the change at any time, and the relative height diminishes and will cause the threat to the lift personnel, and the antenna can't closely attach with lining if grow, influences the collection image quality.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the magnetic adsorption detection device and the detection vehicle are automatically adapted to the change of relative height, are accurate in detection and are suitable for building structures of building top walls.
In order to solve the technical problems, the invention adopts the following technical scheme: the magnetic adsorption detection device of the building structure comprises a movable bracket, a telescopic bracket and an operation platform which are sequentially arranged from top to bottom;
the movable bracket comprises an antenna fixing plate for placing a geological radar antenna, four compression wheels are arranged at the top ends of four corners on the antenna fixing plate, the tangential surfaces of the four compression wheels are higher than the radar antenna, and a magnetic force component with magnetic force is fixed on the bottom surface of the antenna fixing plate;
the telescopic bracket comprises a first buffer device, a connecting plate, a telescopic main body and a rotating table which are sequentially arranged from top to bottom, wherein the first buffer device comprises a plurality of telescopic rods and springs, one ends of the telescopic rods are connected with an antenna fixing plate, the other ends of the telescopic rods are connected with the connecting plate, the telescopic rods are sleeved with springs, one ends of the telescopic main body are connected with the connecting plate, and the other ends of the telescopic main body are connected with the rotating table;
the rotating table is rotatably connected to the operating platform.
The invention has the beneficial effects that: when the magnetic adsorption detection device of the building structure is used, firstly, the height is roughly adjusted through the extension and the shortening of the telescopic main body, and then, in the use process, under the action of the magnetic force component and the first buffer device, when the distance (relative height) between the supporting surface of the operation platform and the detection surface of the top wall of the building is changed, the first buffer device can automatically extend and shorten in a certain length range to adapt, so that the movable bracket is always adsorbed on the top of the tunnel, the geological radar antenna is always close to the top of the building, thereby enabling the radar image to be clear and accurate, having smaller error and saving manpower and material resources; further, through the movement and rotation of the operation platform and the rotating table, different parts of the building can be detected by the movable geological radar antenna, and the operation efficiency is improved. The magnetic adsorption detection device of the building structure can be applied to the working environments of the top walls of buildings with different heights and different positions, and is particularly suitable for detecting the top walls of tunnels.
Drawings
FIG. 1 is a schematic diagram of the upper half of a magnetic attraction detecting device of a building structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of the lower part of the magnetic attraction detecting device of the building structure according to the embodiment of the invention;
description of the reference numerals:
1. a moving bracket; 11. an antenna fixing plate; 12. a geological radar antenna; 13. a pinch roller; 14. a magnetic force component;
2. a telescopic bracket; 21. a first buffer device; 22. a connecting plate; 23. a second buffer device;
231. a screw rod expansion bracket; 232. a screw rod fixing frame; 233. a screw driving device; 234. a screw rod;
24. a telescopic body; 25. a rotating table; 3. and (5) operating the platform.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
The most critical concept of the invention is as follows: when the relative height of the supporting surface of the operation platform and the detection surface of the top wall of the building changes, the first buffer device can automatically stretch and shorten in a certain length range to adapt to the detection, and the movable bracket is ensured to be always adsorbed at the top of the tunnel for detection.
The invention provides a magnetic adsorption detection device of a building structure, which comprises a movable bracket, a telescopic bracket and an operation platform, wherein the movable bracket, the telescopic bracket and the operation platform are sequentially arranged from top to bottom;
the movable bracket comprises an antenna fixing plate for placing a geological radar antenna, four compression wheels are arranged at the top ends of four corners on the antenna fixing plate, the tangential surfaces of the four compression wheels are higher than the radar antenna, and a magnetic force component with magnetic force is fixed on the bottom surface of the antenna fixing plate;
the telescopic bracket comprises a first buffer device, a connecting plate, a telescopic main body and a rotating table which are sequentially arranged from top to bottom, wherein the first buffer device comprises a plurality of telescopic rods and springs, one ends of the telescopic rods are connected with an antenna fixing plate, the other ends of the telescopic rods are connected with the connecting plate, the telescopic rods are sleeved with springs, one ends of the telescopic main body are connected with the connecting plate, and the other ends of the telescopic main body are connected with the rotating table;
the rotating table is rotatably connected to the operating platform.
When the magnetic adsorption detection device of the building structure works, the operation platform can be placed on a vehicle and can also be directly pushed to walk, firstly, the geological radar antenna is placed on the antenna fixing plate, then the telescopic bracket drives the movable bracket to rise to a proper working position, at the moment, the geological radar antenna of the antenna fixing plate of the movable bracket is clung to a building with a steel structure such as a tunnel roof, the antenna fixing plate is adsorbed on the top of the tunnel through magnetic force, and when the supporting surface of the operation platform or the tunnel roof is fluctuated, the telescopic main body automatically stretches and shortens to adapt, so that the movable bracket is prevented from being pulled down or damaged, and the geological radar antenna on the movable bracket is always clung to the tunnel roof through magnetic force.
The beneficial effects are that: the magnetic adsorption detection device of the building structure can meet the detection of the top wall of the building with magnetism at different heights through the extension and shortening of the telescopic main body, avoids manual lifting and improves safety; meanwhile, under the action of the magnetic force component and the first buffer device, when the distance between the supporting surface of the operation platform and the detection surface of the top wall of the building is changed, the first buffer device can automatically lengthen and shorten to adapt to the change, so that the movable bracket is always adsorbed on the top of the tunnel, the geological radar antenna is always close to the top of the building, the radar image is clear and accurate, the error is small, and the manpower and material resources are saved; further, through the movement and rotation of the operation platform and the rotating table, different parts of the building can be detected by the movable geological radar antenna, so that the operation efficiency is improved; the magnetic adsorption detection device of the building structure can be applied to the working environments of the top walls of buildings with different heights and different positions, and is particularly suitable for detecting the top walls of tunnels.
Further, the magnetic adsorption detection device of the building structure further comprises a tension pressure sensor, a display screen and a controller which are electrically connected with each other, wherein the tension pressure sensor is arranged between the connecting plate and the telescopic main body and is used for detecting tension pressure between the connecting plate and the telescopic main body.
As can be seen from the above description, when the magnetic adsorption detection device for a building structure is used, the tension pressure sensor detects the tension pressure, and the tension pressure is transmitted to the controller, the controller sends tension pressure information to the display screen for displaying, and the user controls the extension or shortening of the telescopic main body according to the change of the tension pressure on the display screen, so as to avoid the situation that the tension or the pressure is too large, and exceeds the stretching amount or the compression amount of the spring of the first buffer device, so that the movable bracket falls off or is crushed.
Further, the magnetic adsorption detection device of the building structure further comprises an alarm electrically connected with the controller.
As can be seen from the above description, when the magnetic adsorption detection device for a building structure is used, the tension and pressure sensor is used to detect tension and pressure, and the tension and pressure sensor is used to transmit the tension and pressure to the controller, and when the tension is too large or the pressure is too large, an audible and visual alarm is given to a user, and the user can adjust the stretching or shrinking of the telescopic main body, so that the movable bracket is prevented from being pulled away from the surface to be detected or bearing too much pressure.
Further, in the magnetic adsorption detection device of a building structure, the telescopic bracket further comprises a second buffer device arranged between the connecting plate and the telescopic main body; the second buffer device comprises a tension pressure sensor, a screw rod telescopic assembly, a display screen and a controller which are electrically connected with each other;
the screw rod telescopic assembly comprises a screw rod fixing frame, a screw rod driving device, a screw rod and a screw rod telescopic frame, wherein the lower end of the screw rod fixing frame is connected with the upper end of a telescopic main body, the screw rod telescopic frame is in sliding connection with the upper end of the screw rod fixing frame, the screw rod telescopic frame is further sleeved on the screw rod through a screw rod thread sleeve, the lower end of the screw rod is connected with the screw rod driving device, the screw rod driving device is fixed on the screw rod fixing frame, the screw rod driving device is electrically connected with a controller, a pressure sensor is used for collecting a tension pressure signal between the screw rod telescopic frame and a connecting plate and sending the tension pressure signal to the controller, and the controller controls the screw rod driving device to drive the screw rod to rotate according to the obtained tension pressure signal so as to drive the screw rod telescopic frame to move up and down.
As can be seen from the above description, when the magnetic adsorption detection device of the building structure starts to work, the movable bracket is adsorbed at the top of the tunnel through the magnetic component, and the pressure sensor is used for collecting the tension and pressure signal between the screw rod expansion bracket and the connecting plate and sending the tension and pressure signal to the controller, and at this time, the value of the tension and pressure sensor is kept at a small stable pressure value;
when the distance between the operation platform and the surface to be detected is reduced, the spring is contracted, the pressure value of the tension pressure sensor is increased, when the pressure value is increased to be larger than a preset threshold value, the controller controls the screw rod driving device to drive the screw rod to rotate, and the screw rod rotates to drive the screw rod expansion bracket to move downwards until the pressure value of the tension pressure sensor returns to a stable pressure value;
when the distance between the operation platform and the surface to be detected is increased, the spring stretches, the value of the tension pressure sensor is changed from pressure to tension, and when the value of the tension is increased to be greater than a preset threshold value, the controller controls the screw rod driving device to drive the screw rod to rotate, and the screw rod rotates to drive the screw rod expansion bracket to move upwards until the value of the tension pressure sensor returns to a stable pressure value;
in the process, the horizontal height of the second buffer device is adjusted in real time by the change of the induction pulling pressure of the pulling pressure sensor, so that the geological radar antenna of the antenna fixing plate of the movable bracket is tightly attached to the detection surface of a building with a steel structure, such as a tunnel roof, the detected radar image is ensured to be clear and accurate, and the detection operation efficiency and operation quality are improved.
Further, in the magnetic adsorption detection device of the building structure, the pressing wheel comprises a roller, a wheel groove, a roller telescopic rod and a roller spring, wherein the roller is arranged in the wheel groove, the wheel groove is connected to the upper side of the antenna fixing plate through the roller telescopic rod, and the roller telescopic rod is sleeved with the roller spring.
As is apparent from the above description, the roller having the above structure can reduce vibration of the moving bracket during movement, thereby further protecting the apparatus.
Further, in the magnetic adsorption detection device of the building structure, the upper surface of the antenna fixing plate is further provided with a damping device, the damping device comprises a base plate and a first rubber block arranged on the base plate, and the base plate is connected to the antenna fixing plate through a second rubber block.
As is apparent from the above description, the provision of the shock absorbing means can protect the apparatus from being crushed when the distance between the support surface of the operation platform and the detection surface of the ceiling wall of the building becomes small.
Furthermore, in the magnetic adsorption detection device of the building structure, the magnetic force component is a permanent magnet or an electromagnet.
Furthermore, in the magnetic adsorption detection device of the building structure, the bottom of the operation platform is provided with the universal wheels.
As can be seen from the description above, the bottom of the operating platform is provided with a universal wheel for facilitating movement.
Further, in the magnetic adsorption detection device of a building structure, a rubber buffer layer is arranged on the side face of the antenna fixing plate.
As is apparent from the above description, the rubber buffer layer is provided on the side surface of the antenna fixing plate, so that the movable bracket can be buffered when colliding with an obstacle, thereby avoiding damage.
The invention also provides a detection vehicle, which comprises a vehicle body and the magnetic adsorption detection device of the building structure; the operation platform is arranged on the vehicle body; the vehicle body is used for moving the operation platform.
Example 1
Referring to fig. 1 and 2, a magnetic adsorption detection device for a building structure includes a moving bracket 1, a telescopic bracket 2 and an operation platform 3, which are sequentially arranged from top to bottom;
the mobile bracket 1 comprises an antenna fixing plate 11 for placing a geological radar antenna 12, four pressing wheels 13 are arranged at the top ends of four corners on the antenna fixing plate 11, the tangential planes of the four pressing wheels 13 are higher than those of the radar antenna, and a magnetic force component 14 with magnetic force is fixed on the bottom surface of the antenna fixing plate 11;
the telescopic bracket 2 comprises a first buffer device 21, a connecting plate 22, a telescopic main body 24 and a rotating table 25 which are sequentially arranged from top to bottom, the first buffer device 21 comprises a plurality of telescopic rods and springs, one ends of the telescopic rods are connected with the antenna fixing plate 11, the other ends of the telescopic rods are connected with the connecting plate 22, the telescopic rods are sleeved with springs, one ends of the telescopic main body 24 are connected with the connecting plate 22, and the other ends of the telescopic main body 24 are connected with the rotating table 25;
the rotating table 25 is rotatably connected to the operation platform 3.
In the above-mentioned magnetic adsorption detection device for building structure, the telescopic bracket 2 further includes a second buffer device 23 disposed between the connecting plate 22 and the telescopic main body 24; the second buffer device 23 comprises a tension pressure sensor, a screw rod telescopic assembly, a display screen and a controller which are electrically connected with each other;
the screw rod telescopic assembly comprises a screw rod fixing frame 232, a screw rod driving device 233, a screw rod 234 and a screw rod telescopic frame 231, wherein the lower end of the screw rod fixing frame 232 is connected with the upper end of a telescopic main body 24, the screw rod telescopic frame 231 is slidably connected with the upper end of the screw rod fixing frame 232, the screw rod telescopic frame 231 is sleeved on the screw rod 234 through screw rod thread, the lower end of the screw rod is connected with the screw rod driving device 233, the screw rod driving device 233 is fixed on the screw rod fixing frame 232, the screw rod driving device 233 is electrically connected with a controller, a pressure sensor is used for collecting a tension pressure signal between the screw rod telescopic frame 231 and a connecting plate 22 and sending the tension pressure signal to the controller, and the controller controls the screw rod driving device 233 to drive the screw rod 234 to rotate according to the obtained tension pressure signal, and the screw rod rotates to drive the screw rod telescopic frame 231 to move up and down.
The pinch roller 13 includes gyro wheel, wheel groove, gyro wheel telescopic link and roller spring, the gyro wheel sets up in the wheel inslot, the wheel groove passes through the gyro wheel telescopic link and connects in the top of antenna fixed plate 11, all overlap on the gyro wheel telescopic link and be equipped with roller spring.
The upper surface of the antenna fixing plate 11 is also provided with a damping device, the damping device comprises a base plate and a first rubber block arranged on the base plate, and the base plate is connected to the antenna fixing plate 11 through a second rubber block.
The magnetic force component 14 is a permanent magnet or an electromagnet.
The bottom of the operation platform 3 is provided with universal wheels.
The side of the antenna fixing plate 11 is provided with a rubber buffer layer.
In summary, when the magnetic adsorption detection device for the building structure provided by the invention starts to work, the tension pressure sensor senses the change of the tension pressure to adjust the horizontal height of the buffer device in real time, so that the movable bracket is prevented from being pulled away from the surface to be detected or bearing too much, the real-time lamination of the geological radar antenna and the top wall is ensured, the detected radar image is clear and accurate, and the detection operation efficiency and the detection operation quality are improved.
The roller with the structure can reduce vibration of the movable bracket during movement and further protect equipment. The damping device is arranged to protect equipment from being crushed when the distance between the supporting surface of the operation platform and the detection surface of the top wall of the building is reduced. The bottom of the operating platform is provided with universal wheels which are convenient to move. By arranging the rubber buffer layer on the side surface of the antenna fixing plate, the movable bracket can be buffered when colliding with an obstacle, and damage is avoided.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent changes made by the specification and drawings of the present invention, or direct or indirect application in the relevant art, are included in the scope of the present invention.
Claims (6)
1. The detection method of the magnetic adsorption detection device based on the building structure is characterized in that the magnetic adsorption detection device is used for detecting the top wall of a building with magnetism, and comprises a movable bracket, a telescopic bracket and an operation platform which are sequentially arranged from top to bottom;
the movable bracket comprises an antenna fixing plate for placing a geological radar antenna, four compression wheels are arranged at the top ends of four corners on the antenna fixing plate, the tangential surfaces of the four compression wheels are higher than the radar antenna, and a magnetic force component with magnetic force is fixed on the bottom surface of the antenna fixing plate;
the pressing wheel comprises a roller, a wheel groove, a roller telescopic rod and a roller spring, wherein the roller is arranged in the wheel groove, the wheel groove is connected above the antenna fixing plate through the roller telescopic rod, and the roller springs are sleeved on the roller telescopic rods;
the telescopic bracket comprises a first buffer device, a connecting plate, a telescopic main body and a rotating table which are sequentially arranged from top to bottom, wherein the first buffer device comprises a plurality of telescopic rods and springs, one ends of the telescopic rods are connected with an antenna fixing plate, the other ends of the telescopic rods are connected with the connecting plate, the telescopic rods are sleeved with springs, one ends of the telescopic main body are connected with the connecting plate, and the other ends of the telescopic main body are connected with the rotating table;
the rotating table is rotationally connected to the operation platform;
the telescopic bracket further comprises a second buffer device arranged between the connecting plate and the telescopic main body; the second buffer device comprises a tension pressure sensor, a screw rod telescopic assembly, a display screen and a controller which are electrically connected with each other;
the screw rod telescopic assembly comprises a screw rod fixing frame, a screw rod driving device, a screw rod and a screw rod telescopic frame, wherein the lower end of the screw rod fixing frame is connected with the upper end of a telescopic main body, the screw rod telescopic frame is in sliding connection with the upper end of the screw rod fixing frame, the screw rod telescopic frame is sleeved on the screw rod through a screw rod thread sleeve, the lower end of the screw rod is connected with the screw rod driving device, the screw rod driving device is fixed on the screw rod fixing frame, the screw rod driving device is electrically connected with a controller, a pressure sensor is used for collecting a tension pressure signal between the screw rod telescopic frame and a connecting plate and sending the tension pressure signal to the controller, and the controller controls the screw rod driving device to drive the screw rod to rotate according to the obtained tension pressure signal so as to drive the screw rod telescopic frame to move up and down;
the detection method comprises the following steps:
placing a geological radar antenna on an antenna fixing plate, driving a movable bracket to rise to a proper working position through a telescopic bracket, enabling the geological radar antenna of the antenna fixing plate of the movable bracket to be clung to a building with a steel structure, wherein the building is the top of a tunnel, and the antenna fixing plate is adsorbed on the top of the tunnel through magnetic force;
when the distance between the operation platform and the surface to be detected is reduced, the spring is contracted, the pressure value of the tension pressure sensor is increased, when the pressure value is increased to be larger than a preset threshold value, the controller controls the screw rod driving device to drive the screw rod to rotate, and the screw rod rotates to drive the screw rod expansion bracket to move downwards until the pressure value of the tension pressure sensor returns to a stable pressure value;
when the distance between the operation platform and the surface to be detected is increased, the spring stretches, the numerical value of the tension pressure sensor is changed into tension from pressure, and when the numerical value of the tension is increased to be greater than a preset threshold value, the controller controls the screw rod driving device to drive the screw rod to rotate, and the screw rod rotates to drive the screw rod expansion bracket to move upwards until the numerical value of the tension pressure sensor returns to a stable pressure value.
2. The method of claim 1, further comprising an alarm electrically connected to the controller.
3. The method for detecting the magnetic attraction detecting device based on the building structure according to any one of claims 1 to 2, wherein the upper surface of the antenna fixing plate is further provided with a damping device, the damping device comprises a backing plate and a first rubber block arranged on the backing plate, and the backing plate is connected to the antenna fixing plate through a second rubber block.
4. The method for detecting a magnetic attraction detecting unit based on a building structure according to any one of claims 1 to 2, wherein the magnetic force member is a permanent magnet or an electromagnet.
5. The method for detecting a magnetic attraction detecting device based on a building structure according to any one of claims 1 to 2, wherein a universal wheel is provided at the bottom of the operation platform.
6. The detection method of a magnetic attraction detection unit based on a building structure according to any one of claims 1 to 2, wherein a rubber buffer layer is provided on a side surface of the antenna fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811116431.9A CN109375214B (en) | 2018-09-25 | 2018-09-25 | Magnetic adsorption detection device and detection vehicle for building structure |
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| CN201811116431.9A CN109375214B (en) | 2018-09-25 | 2018-09-25 | Magnetic adsorption detection device and detection vehicle for building structure |
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| CN109375214A CN109375214A (en) | 2019-02-22 |
| CN109375214B true CN109375214B (en) | 2023-10-20 |
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| JP2011202354A (en) * | 2010-03-24 | 2011-10-13 | Taisei Corp | Tunnel working face forward probing device |
| CN101846639A (en) * | 2010-05-19 | 2010-09-29 | 云南三星机械设备仪器制造有限公司 | Movable tunnel detection arm |
| KR101416753B1 (en) * | 2013-05-07 | 2014-07-09 | 한국시설안전공단 | Appartus for supporting GPR antenna |
| CN105502212A (en) * | 2015-12-31 | 2016-04-20 | 长安大学 | Geological radar antenna plunger type hydraulic bracket for tunnel lining detection |
| CN205415601U (en) * | 2016-03-21 | 2016-08-03 | 长安大学 | Tunnel lining multiposition detects with geological radar antenna machinery pushing arm bracket |
| CN106597432A (en) * | 2016-12-15 | 2017-04-26 | 山东大学 | Auxiliary apparatus for enhancing the coupling effect of ground-penetrating radar antenna and the use method thereof |
| CN106501866A (en) * | 2016-12-22 | 2017-03-15 | 山东大学 | A kind of radar installations and using method suitable for lining quality of channel |
| CN206696422U (en) * | 2017-03-16 | 2017-12-01 | 贵州省质安交通工程监控检测中心有限责任公司 | A kind of Tunnel testing platform |
| CN206609967U (en) * | 2017-04-05 | 2017-11-03 | 陈超 | A kind of large tunnel inwall quick detection equipment |
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